Concrete Geometry for BeginnersAmerican Book Company, 1895 - 201 σελίδες |
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Σελίδα 17
... contains the shorter one . NOTE . A line which is contained in another line a whole num- ber of times is said to measure it . 91. How many times will a line 4 inches long measure a line 32 inches long ? 92. How many times will a line 1 ...
... contains the shorter one . NOTE . A line which is contained in another line a whole num- ber of times is said to measure it . 91. How many times will a line 4 inches long measure a line 32 inches long ? 92. How many times will a line 1 ...
Σελίδα 18
... upon which you can lay off two lines respectively 8 inches and 10 inches a whole number of times ? How many times will it contain the longer line ? - NOTE . The shortest line which can be exactly 18 LINES AND ANGLES .
... upon which you can lay off two lines respectively 8 inches and 10 inches a whole number of times ? How many times will it contain the longer line ? - NOTE . The shortest line which can be exactly 18 LINES AND ANGLES .
Σελίδα 31
... contains 5 times as many degrees as the second , and the third contains 4 times as many as the second ? Illustrate . 43. How many degrees are there in all the angles formed on both sides of the line AB at the point C ? At any other ...
... contains 5 times as many degrees as the second , and the third contains 4 times as many as the second ? Illustrate . 43. How many degrees are there in all the angles formed on both sides of the line AB at the point C ? At any other ...
Σελίδα 34
... Make a sector of 90 ° and show by folding how many times it will contain a sector of 45 ° of the same circle . 69. A wheel which has 6 cogs is geared with one that has 60 cogs . How many times will the small 34 ARC'S AND ANGLES .
... Make a sector of 90 ° and show by folding how many times it will contain a sector of 45 ° of the same circle . 69. A wheel which has 6 cogs is geared with one that has 60 cogs . How many times will the small 34 ARC'S AND ANGLES .
Σελίδα 35
... contains another quantity a whole number of times ? To the quantity which is an exact multiple of two or more quan- tities ? To the least quantity which is an exact multiple of two or more quantities ? 76. What arc is the L. C. M. of an ...
... contains another quantity a whole number of times ? To the quantity which is an exact multiple of two or more quan- tities ? To the least quantity which is an exact multiple of two or more quantities ? 76. What arc is the L. C. M. of an ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
12 inches 20 inches 9 inches altitude angle ABC angles formed apothem arc BC area and perimeter base angle bisects chord circle whose diameter circle whose radius circumference complementary angles contains cube decagon decimeters diagonal divided Draw a circle Draw a rectangle edge equal sides equilateral triangle exterior angles Find each side find its area Find the area Find the length Find the number Find the perimeter Find the ratio Find the sum geometric principle greater homologous sides hypotenuse inches long inches longer inclosed inscribed inscribed angle interior isosceles triangle longer sides meters middle point millimeters NOTE number of degrees parallel parallelogram parallelopiped pentagon perim perpendicular plane figure radii regular hexagon regular polygon rhomboid rhombus right angle right triangle scalene triangle sector semicircle shorter sides show the truth square feet square inches straight line surface tangent trapezium trapezoid triangle whose base twice vertex vertical angle width
Δημοφιλή αποσπάσματα
Σελίδα 82 - If two triangles have two sides and the included angle of one equal respectively to two sides and the included angle of the other, the triangles are equal.
Σελίδα 20 - A circle is a plane figure bounded by a curved line, every point of which is equally distant from a point within called the center.
Σελίδα 173 - The square of the sum of two numbers is equal to the square of the first, plus twice the product of the first and the second, plus the square of the second.
Σελίδα 177 - Pythagoras' theorem states that the square of the length of the hypotenuse of a right-angled triangle is equal to the sum of the squares of the lengths of the other two sides.
Σελίδα 101 - Hence, the area of a trapezoid is equal to the product of its altitude by the line connecting the middle points of the sides which are not parallel.
Σελίδα 132 - A Polygon of three sides is called a Triangle; of four sides, a Quadrilateral; of five sides, a Pentagon ; of six sides, a Hexagon, etc.